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Segment Information - EBITDA Reconciliation (Details) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 USD ($) segment ft | Mar. 31, 2015 USD ($)
Segment Reporting [Abstract] |  |
Number of reportable segments | segment | 3 |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Adjusted EBITDA | $ 31,669 | $ 100,290
Interest income (expense), net | 206 | 8
Income tax benefit (expense) | 806 | (11,262)
Depreciation and amortization | (29,450) | (24,001)
Gain (loss) on sale of assets | 770 | (184)
Foreign currency gain (loss) | (41) | 1,533
Stock-based compensation expense | (4,104) | (8,010)
Severance and other charges | (606) | (11,973)
Unrealized and realized gains (losses) | (1,658) | 0
Income (loss) from continuing operations | (2,408) | 46,401
International Services |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Severance and other charges | (581) |
U.S. Services |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Severance and other charges | (25) |
Tubular Sales |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Severance and other charges | 0 |
Operating segments | International Services |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Adjusted EBITDA | 31,379 | 52,285
Operating segments | U.S. Services |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Adjusted EBITDA | 715 | 44,893
Operating segments | Tubular Sales |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Adjusted EBITDA | (446) | 3,119
Corporate, non-segment | Corporate and other |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Adjusted EBITDA | $ 21 | $ (7)
Maximum | Tubular Sales |  |
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items] |  |
Length of tubulars used as caissons or pilings (up to, in feet) | ft | 300 |

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